Guan Ri Oh's answer to Tan Pin Ru's Secondary 4 A Maths question.
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Honestly, I was stuck at this question for quite a while because I do not know how to approach this question. This is my attempt at this question, if it is wrong please let me know the correct solution. Thank you.
Date Posted:
7 years ago
Omg, you got the answer 8.75; thanks so much! :))
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